hi,
i added layer 1 state change (and initial state) reporting to mISDN kernel driver. this is usefull to resolve E1 connection problem.
1. download the latest mISDN driver from www.mISDN.org using git:
git-clone git://git.misdn.org/git/mISDN.git/
change to socket branch:
cd mISDN ./checkout-branch.sh socket
compile and install as usual
make force # remove kernel mISDN includes make make install
load mISDN as usual.
2. run bsc_hack using debug option: --debug=DMI
Allowing everyone? DB: Database initialized. DB: Database prepared. 1 devices found id: 0 Dprotocols: 00000018 Bprotocols: 0000006e protocol: 4 nrbchan: 30 name: hfc-e1.1 activate bchan activate bchan Mon Jun 1 18:51:43 2009 <1000> input/misdn.c:124 alen =6, dev(9) channel(0) sapi(63) tei(127) Mon Jun 1 18:51:43 2009 <1000> input/misdn.c:127 <= len = 12, prim(0x8) id(0x7f3f): DL_INFORMATION_IND Mon Jun 1 18:51:43 2009 <1000> input/misdn.c:134 DL_INFORMATION_IND: use channel(0) sapi(63) tei(127) for now mISDN message for unknown sign_link Mon Jun 1 18:51:43 2009 <1000> input/misdn.c:124 alen =6, dev(9) channel(0) sapi(63) tei(127) Mon Jun 1 18:51:43 2009 <1000> input/misdn.c:127 <= len = 8, prim(0x102) id(0x7f3f): PH_ACTIVATE_IND Mon Jun 1 18:51:43 2009 <1000> input/misdn.c:161 PH_ACTIVATE_IND: channel(0) sapi(63) tei(127)
in this case we see "PH_ACTIVATE_IND", because BS11 is connected and sending a signal.
3. check your card: (most common type)
close to the plug there are two jumpers. the are used to select between 1,2,4,5 and 1,2,3,6 pin selection. be sure they are to the left for standard 1,2,4,5 pinning.
take an rj45 plug and connect pin 1 with 4 and 2 with 5. start bsc_hack and plug it into your card. you should see "PH_ACTIVATE_IND" when you plug it. your card is working.
if nothing works, check your termination switches. refer to the card's manual. the must be set to 120 ohms, if the termination jumpers on your BS11 are pulled out. without termination, the card might not work.
4. check your BS11
remove the plug and connect the cable to the BS11: one pair (pin 1 and 2) to Y01 and one pair (pin 4 and 5) to Y02. after bootup ob BS11 you will see "PH_ACTIVATE_IND" if you connect both paris in the correct order. you must connect both pairs because BS11 will only send a signal, if it receives a signal. pin 1 can be wapped with pin 2, pin 4 with pin 5 also. the E1 interface does not care about that.
5. check data link connection:
you have already received the management process via "DL_INFORMATION_IND" on sapi 63 tei 127. if BS11 software load is running, you will receive additional data links from BS11:
- sapi 62 tei 25 - sapi 0 tei 25 - sapi 0 tei 1
these are three datalinks. each one is created and sends us "DL_INFORMATION_IND" on creation, "DL_ESTABLISH_IND" on activation and "DL_DATA_IND" when receiving data on that link.
hope that helps.
andreas
thanks a lot, andreas.
I hope this helps people debugging their physical connection, cable pin-outs, etc.
Will that patch for the mISDN kernel driver be pushed for mainline (2.6.31)?
It might also help if we had a patch against 2.6.29 that people can apply, rather than building from the mISDN git tree.
Thanks a lot for this layer 1 debugging tutorial. It helped me a lot since i was thinking I did something wrong with mISDN. I checked the step 3 and find out that my ISDN card was working fine. Then I tried to invert my twinax plugs and it worked. I think there is a mistake in the wiki. It's written in http://bs11-abis.gnumonks.org/trac/wiki/BS11_Configuration : - left Y01 PCM in (from BSC): RJ45 pin 4,5 - Y02 PCM out (to BSC): RJ45 pin 1,2
but for me it works with : Y01 PCM : RJ45 pin 1,2 (orange / white orange for a straight cable) Y02 PCM : RJ45 pin 4,5 (blue / white blue for a straight cable)
I can now see the network on my mobile phone thanks a lot.
Best regards Eric Cathelinaud
2009/6/3 Harald Welte laforge@gnumonks.org
thanks a lot, andreas.
I hope this helps people debugging their physical connection, cable pin-outs, etc.
Will that patch for the mISDN kernel driver be pushed for mainline (2.6.31)?
It might also help if we had a patch against 2.6.29 that people can apply, rather than building from the mISDN git tree.
--
- Harald Welte laforge@gnumonks.org
============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)
Hi Eric,
On Tue, Jun 09, 2009 at 12:56:25PM +0200, Eric Cathelinaud wrote:
Thanks a lot for this layer 1 debugging tutorial. It helped me a lot since i was thinking I did something wrong with mISDN. I checked the step 3 and find out that my ISDN card was working fine. Then I tried to invert my twinax plugs and it worked. I think there is a mistake in the wiki. It's written in http://bs11-abis.gnumonks.org/trac/wiki/BS11_Configuration :
- left Y01 PCM in (from BSC): RJ45 pin 4,5
- Y02 PCM out (to BSC): RJ45 pin 1,2
but for me it works with : Y01 PCM : RJ45 pin 1,2 (orange / white orange for a straight cable) Y02 PCM : RJ45 pin 4,5 (blue / white blue for a straight cable)
I think that depends on the jumper configuration of your E1 card. Did you really put the jumpers in "NT Mode" configuration?
I can now see the network on my mobile phone thanks a lot.
great!
2009/6/9 Harald Welte laforge@gnumonks.org
Hi Eric,
On Tue, Jun 09, 2009 at 12:56:25PM +0200, Eric Cathelinaud wrote:
Thanks a lot for this layer 1 debugging tutorial. It helped me a lot
since i
was thinking I did something wrong with mISDN. I checked the step 3 and
find
out that my ISDN card was working fine. Then I tried to invert my twinax plugs and it worked. I think there is a mistake in the wiki. It's written in
http://bs11-abis.gnumonks.org/trac/wiki/BS11_Configuration :
- left Y01 PCM in (from BSC): RJ45 pin 4,5
- Y02 PCM out (to BSC): RJ45 pin 1,2
but for me it works with : Y01 PCM : RJ45 pin 1,2 (orange / white orange for a straight cable) Y02 PCM : RJ45 pin 4,5 (blue / white blue for a straight cable)
I think that depends on the jumper configuration of your E1 card. Did you really put the jumpers in "NT Mode" configuration?
Yes I put NT Mode following the jumper plan (short pins on the right). My card is a Beronet BN1E1. I will try to short pins on the left and let you know if working as in wiki.
I can now see the network on my mobile phone thanks a lot.
great!
- Harald Welte laforge@gnumonks.org
============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)
I tried to short the left and to invert the twinax plug (thus pluging them as in the wiki) and it works too. Then it could be a mistake in the jumper plan of BN1E1 cause they say that the left is "TE" and not "NT". Anyone else dealing with a BN1E1 card to confirm?
Eric Cathelinaud
2009/6/9, Eric Cathelinaud e.cathelinaud@googlemail.com:
2009/6/9 Harald Welte laforge@gnumonks.org
Hi Eric,
On Tue, Jun 09, 2009 at 12:56:25PM +0200, Eric Cathelinaud wrote:
Thanks a lot for this layer 1 debugging tutorial. It helped me a lot
since i
was thinking I did something wrong with mISDN. I checked the step 3 and
find
out that my ISDN card was working fine. Then I tried to invert my twinax plugs and it worked. I think there is a mistake in the wiki. It's written in
http://bs11-abis.gnumonks.org/trac/wiki/BS11_Configuration :
- left Y01 PCM in (from BSC): RJ45 pin 4,5
- Y02 PCM out (to BSC): RJ45 pin 1,2
but for me it works with : Y01 PCM : RJ45 pin 1,2 (orange / white orange for a straight cable) Y02 PCM : RJ45 pin 4,5 (blue / white blue for a straight cable)
I think that depends on the jumper configuration of your E1 card. Did you really put the jumpers in "NT Mode" configuration?
Yes I put NT Mode following the jumper plan (short pins on the right). My card is a Beronet BN1E1. I will try to short pins on the left and let you know if working as in wiki.
I can now see the network on my mobile phone thanks a lot.
great!
- Harald Welte laforge@gnumonks.org
============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)
-
Andreas.Eversberg -
Eric Cathelinaud -
Harald Welte